.
Thread 3 (process 6780):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7d09e66 in nanosleep () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7d42bcc in usleep () from /lib/tls/i686/cmov/libc.so.6
#3  0x0804eb71 in ?? ()
#4  0xb7ef531b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb7d4950e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (process 6781):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7d09e66 in nanosleep () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7d09c8f in sleep () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7f19dde in IOWatch::watch () from /usr/lib/libplp.so.0
#4  0x0805263d in ?? ()
#5  0xb7ef531b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0xb7d4950e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 6778):
#0  0xb7ef6509 in pthread_join () from /lib/tls/i686/cmov/libpthread.so.0
#1  0x0805333f in ?? ()
#2  0xb7c8febc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#3  0x0804bba1 in ?? ()